First Floor Elevation Definition
First floor height ffh height of first floor above the ground elevation calculated as ffe lag reported in feet.
First floor elevation definition. Reference plane as it s name implies is the top surface of the finished flooring material. Supporting horizontal members and the first floor of a building at the proper elevation in a coastal area can be extremely costly and difficult to correct. Following the carpenter s adage to measure twice but cut once the elevation of the building must be checked at several key stages of construction. This is as if you directly in front of a building and looked straight at it.
First floor in british english the floor of a building which is level with the ground is called the ground floor. If a site lies between the 100 year flood boundary and the floodway also known as the floodway fringe development can occur as long as the first floor elevation is above the 100 year flood elevation at that point or the structure is flood proofed to fema s standards. Elevation drawings are a specific type of drawing architects use to illustrate a building or portion of a building. Ffe stands for first floor elevation flood analysis.
For rating is the building s lowest floor including a basement if any. Elevation elements in addition to the exterior finish an elevation also includes the type of roofing for the building and. An elevation is drawn from a vertical plane looking straight on to a building facade or interior surface. Finished floor f f elevation is a reference plane used as a zero point for vertical dimensions.
If a building described and rated as a single family dwelling located in an a zone any flood zone beginning with the letter a has an attached garage floor elevation at or above the base flood elevation bfe the garage floor may be excluded for rating. The floor above it is called the first floor the floor above that is the second floor and so on. Typical usage is no component of a hanging light fixture to extend below 7 0 a f f above finished floor. A floor plan often is included in the center of the box for perspective.